---
title: "High Temp Silicone — $310K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/high-temp-silicone"
last_updated: "2026-08-11T04:45:39.271Z"
locale: en
meta:
description: "Niche score 52/100 · $310K/yr market · 202K searches/yr · $14.52 avg price. Soft demand (-9.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $310K/yr market · 202K searches/yr · $14.52 avg price. Soft demand (-9.4% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "High Temp Silicone — $310K/yr Amazon US Niche (2026) - Flapen"
---
# **high temp silicone**
**Worth a look**
Shows low returns (0.9%), but soft demand (-9.4% this quarter) keeps it on the watch list.
Market size 52Growth 20Conversion 89Competition 47Returns 96Price range 68Avg price 71Brand share 38Review moat 38Quality gap 28
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.6%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****$14.52**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$4.94–$36.79**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$310K**
$310K/yr · 202K searches
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,675.44**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-9.4%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, high temp silicone is a $310K/yr Amazon United States market (202K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Oct. Verdict: Worth a look — 52/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **high temp silicone market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$290K–$363K**
- units × avg price
- **Conversion rate**
- **10.6%**
- **Avg BSR**
- **#1,106**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▲rising
**Sellers**
**113**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 100%
**Open market**
**12%**
- Permatex33% - J-B Weld20% - RUTLAND PRODUCTS13% - Visbella9% - DAP8% - KRAKEN BOND6% - Open — no brand owns it (5 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -9.4% search growth over the last 90 days.
8K6KSpike '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/us/automotive/high-temp-silicone/trend)
## **Top high temp silicone search terms**
- **high temp silicone sealant**48K/yr-13.7%7.6% conv. - **high heat silicone sealant**26K/yr-6.8%5.9% conv. - **high temp silicone**24K/yr-27.5%7.6% conv. - **high temp rtv**12K/yr+6.9%14.4% conv. - **high temperature silicone sealant**9K/yr+51.0%7.2% conv. - **high temp gasket maker**7K/yr+33.2%14.6% conv. - **heat resistant silicone**7K/yr+3.9%5.2% conv. - **high heat silicone**7K/yr+3.1%7.1% conv. - **high temp rtv silicone**6K/yr-3.1%12.9% conv. - **gasket maker high temp**6K/yr+25.2%11.9% conv. [**All search terms **](https://flapen.com/research/us/automotive/high-temp-silicone/search-terms)
## **Top high temp silicone products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$31K20%$62K30%$93K40%$124K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Permatex 81630 Ultra Red High Temperature Gasket Maker 3 oz**Permatex**$7.38**4.7★2,166 rev](https://www.amazon.com/dp/B08CRY2BJB) [2**J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.**J-B Weld**$8.20**4.7★5,890 rev](https://www.amazon.com/dp/B00ID8IUJY) [3**J-B Weld 31314 Red High Temperature RTV Silicone Gasket Maker and Sealant - 3 oz. - 2-Pack**J-B Weld**$13.52**4.7★5,890 rev](https://www.amazon.com/dp/B0DRW9G5QD) [4**Rutland High Heat Silicone Sealant for BBQ Grills USA-Made High Temp Gasket Maker Adhesive - UV Stable Oil Resistant Waterproof & Non-Corrosive 500F RTV Black**RUTLAND PRODUCTS**$9.89**4.6★2,835 rev](https://www.amazon.com/dp/B000H5Y6CQ) [5**DAP High Temp 100% RTV Silicone Sealant 10.3 Oz Red (7079808013)**DAP**$11.74**4.5★90 rev](https://www.amazon.com/dp/B073S6P5Q2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Wood Stove Door Gasket Cement 850F RTV High Heat Silicone Sealant High Temperature Resistance Silicone Material Adhesive Black 100ml**WINTACK**$8.09**24 rev7mo ago](https://www.amazon.com/dp/B0G634DP7H) [**Akfix Heat Fighter Black Fireplace Sealant - 2700 F (2x10.1 oz.) - Heat Resistant Fireplace Stove Caulk for Chimneys Ovens Grills Wood Stoves | Non-Flammable Quick-Drying & Paintable Cartridge**Akfix**$36.50**73 rev8mo ago](https://www.amazon.com/dp/B0FXXL6PFJ) [**Stnkeno High Temp Silicone Sealant High Temperature Adhesive Heat Resistant Glue Insulation and Waterproof Quick Drying Silicone Adhesive for Ovens Fireplace Microwave Transparent 2 Pack 3.53 OZ**Stnkeno**$12.70**68 rev9mo ago](https://www.amazon.com/dp/B0FQXMSCYH) [**Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker 3 oz. Tube**Permatex**$8.13**3,365 rev1y ago](https://www.amazon.com/dp/B0002UEOPA) [**J-B Weld 31314 Red High Temperature RTV Silicone Gasket Maker and Sealant - 3 oz. - 2-Pack**J-B Weld**$13.52**5,890 rev1y ago](https://www.amazon.com/dp/B0DRW9G5QD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Wood Stove Door Gasket Cement 850F RTV High Heat Silicone Sealant High Temperature Resistance Silicone Material Adhesive Black 100ml**WINTACK**$8.09**4.5★**▲ 174%**](https://www.amazon.com/dp/B0G634DP7H) [**Stnkeno High Temp Silicone Sealant High Temperature Adhesive Heat Resistant Glue Insulation and Waterproof Quick Drying Silicone Adhesive for Ovens Fireplace Microwave Transparent 2 Pack 3.53 OZ**Stnkeno**$12.70**4.6★**▲ 100%**](https://www.amazon.com/dp/B0FQXMSCYH) [**J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.**J-B Weld**$8.20**4.7★**▲ 78%**](https://www.amazon.com/dp/B00ID8IUJY) [**DAP High Temp 100% RTV Silicone Sealant 10.3 Oz Red (7079808013)**DAP**$11.74**4.5★**▲ 47%**](https://www.amazon.com/dp/B073S6P5Q2) [**Akfix Heat Fighter Black Fireplace Sealant - 2700 F (2x10.1 oz.) - Heat Resistant Fireplace Stove Caulk for Chimneys Ovens Grills Wood Stoves | Non-Flammable Quick-Drying & Paintable Cartridge**Akfix**$36.50**3.9★**▲ 45%**](https://www.amazon.com/dp/B0FXXL6PFJ)
**~~View all trending →~~**
## **What buyers say about high temp silicone**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Good product- works as intended”*
**Value For Money**14%
*“Great Deal”*
**Advertised Vs Actual Product**13%
*“As described”*
**Efficiency**12%
*“Works well on my gasket work”*
**Leak-Proof**7%
*“Very good sealant”*
**Adhesion/Stickiness**5%
*“Good glue”*
**Ease Of Use**5%
*“Easy to use”*
**Heating**3%
*“High heat resistance”*
**Material Quality**2%
*“This is the perfect material to attach a gasket to a stove or. more likely”*
**Durability**2%
*“Saves time saves money and is durable”*
### **What buyers complain about **
**Leak-Proof**10%
*“Leaks pretty easily even when instruction are followed”*
**Value For Money**9%
*“High price for need”*
**Adhesion/Stickiness**7%
*“Item came in loose in the box with other items the original packaging lost adhesion and fell away,”*
**Functionality-Overall**7%
*“Doesnt work”*
**Quality-Overall**6%
*“Junk product”*
**Heating**4%
*“It did not hold to the heat”*
**Hard Feel**4%
*“It was hard when I got it”*
**Ease Of Use**3%
*“it takes a little effort to squeeze out of the tube”*
**Stain Resistance**3%
*“Used outside and it stained siding”*
**Assembly/Installation**2%
*“did not cure after assembly”*
### **Top return reasons **
**Color**13%
**Advertised Vs Actual Product**11%
**Value For Money**11%
**Functionality-Overall**10%
**Adhesion/Stickiness**10%
**Compatibility-Overall**7%
**Size-Overall**7%
**Defective Material/Parts**5%
**Material Quality**3%
**Leak-Proof**3%
## **Common questions**
- **Is high temp silicone profitable to sell on Amazon United States?**
- The niche generates $310K/yr across 18 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -9.4%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the high temp silicone niche?**
- 11 brands and 113 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in high temp silicone?**
- Top complaints mined from reviews: Leak-Proof, Value For Money, Adhesion/Stickiness. The return rate is 0.9%.
- **When does demand for high temp silicone peak?**
- Demand peaks in Oct; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the high temp silicone niche?**
- Listings span $4.94–$36.79; the average listing price is $14.52 (sweet spot $15–$100). The average incumbent carries 2,675 reviews — the moat a new listing must climb.
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